DuPont™ Kalrez® Parts for the Life Sciences, Pharmaceutical & Food Handling Industries

When FDA compliance is required and the public’s health is on the line, only the most reliable and trusted seals will do.

Kalrez® perfluoroelastomer (FFKM) parts provide:

  • best in class chemical resistance,
  • outstanding thermal & steam resistance, and
  • low contamination from extractables

for demanding pharmaceutical, life science and food handling industry applications. Kalrez® parts deliver longer seal life compared to lower performing elastomers, thereby improving productivity, efficiency and cleanliness.

Create a safer environment for medical packaging, disposable device handling and pharmaceutical manufacturing with Kalrez® parts.

Kalrez® Life Sciences Product Selection Guide

 Kalrez®
6230
Kalrez®
6221
Kalrez®
LS205
Kalrez®
LS390
Kalrez®
LS222
Available geometriesO-rings
&
Specialty
Shapes
O-ringsSpecialty
Shapes
& Orings
Hygienic
couplings
High
Volume
Shapes &
O-rings
ColorBlackWhiteWhiteGreyBlack
APPLICATIONS
Rotating equipment (mixers, pumps,
centrifuges, etc.)
Filtration and Drying
Piping
Flow regulation (valves)
WFI (water for injection)
Medical packaging
CERTIFICATIONS
US FDA
USP <87> & <88> Class VI @ 121°C
3-A
Japan Pharmacopeia
EC 1935/2004Please Contact DuPont for Additional Information
* Please consult a Kalrez® Application Engineer to assess perform fit for your specific application.

Kalrez® Life Sciences Product Overviews

Kalrez® 6230

Black product with excellent steam cycling resistance. Reduces extractables from sealing materials to trace levels.

Properties & features:

  • Compliant with USDA regulations for repeated use in contact with food as described by 21 CFR177.2600 and Food Contact Notification 000101
  • Kalrez® parts made from compound 6230 have been tested in accordance with the United States Pharmacopeia Class VI (USP Class VI) testing protocol and meet the test requirements of a USP Class VI polymer

Kalrez® 6221

White product with excellent steam cycling resistance. Reduces extractables from sealing materials to trace levels. Available in O-ring form; custom geometries not available.

Properties & features:

  • Compliant with USDA regulations for repeated use in contact with food as described by 21 CFR177.2600 and Food Contact Notification 000101
  • Kalrez® parts made from compound 6221 have been tested in accordance with the United States Pharmacopeia Class VI (USP Class VI) testing protocol and meet the test requirements of a USP Class VI polymer

Kalrez® LS205

White product for use in food handling and pharmaceutical applications where FDA and/or USP <87> and <88> Class VI compliancy are required

Properties & features:

  • Superior chemical resistance and low extractables in demanding applications
  • Well suited for custom parts and other non-O-ring applications
  • Suggested maximum application temperature of 225°C (437°F)

Kalrez® LS390

Grey product for use as sanitary seals in food handling, beverage, and pharmaceutical applications where FDA, USP <87> and <88> Class VI compliance are required.

Properties & features:

  • Meets Japan Pharmacopeia, edition 16*
  • Excellent chemical resistance to:
    • Process chemicals
    • WFI (water for injection)
    • SIP and/or CIP processes
  • LS390 sanitary seals have demonstrated low stiction properties and high hardness/modulus—facilitating sanitary seal piping disassembly
  • An excellent choice for sanitary seal applications
  • Unique grey color for easy identification
  • Suggested maximum application temperature of 220°C (428°F)

Kalrez® LS222

Black product specifically developed for use in high volume medical packaging and disposable devices

Properties & features:

  • Meets the demand from OEM and Life Science Manufacturers who require large quantities of high quality parts
  • For use in micro-valves, aerosol rings, needle covers, serum stoppers, plungers, infusion hangers, etc.
  • Wide range of shapes and dimensions available:
    • Small (OD up to 25.4mm) to medium (OD up to 50.8mm) size O-rings
    • Select custom shapes/parts

C&B Equipment Is a Licensed Kalrez® Distributor

C&B Equipment is proud to be a Licensed Distributor of Kalrez parts®. The superior performance of these seals helps you increase your uptime—the mission that guides everything we do. Contact us today for your standard or custom Kalrez® parts.

Get the Right Fit.

Contact Our Kalrez® Seal Expert.


Ben Brocker, Kalrez® Expert